Single-player games like DemonStar
Below are 9 single-player Steam games similar to DemonStar, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like DemonStar page.
Ranked picks
- 1

Red Blue Cell
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action with DemonStar.
This is a retro barrage flying shooting game. Drive a space fighter plane, shuttle between planets and space stations, and use powerful firepower to destroy enemy space battleships! !
- 2

Astro Fighters
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action with DemonStar.
Astro Fighters is a tough old school vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Fight against large bosses at the end of every level and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.
- 3

Skull Head World
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action and Indie with DemonStar.
defend skullheadworld. shoot skulls at invading skulls. collect skulls to protect your skull. flush skulls to upgrade. part single-stick bullet-hell shooter, part top-down physics brawler. super addictive arcade fun.
- 4

Space Crisis
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action and Indie with DemonStar.
A spaceship crash landed on Mars! You have to wear a jet and fight!
- 5

Sky Force Reloaded
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action and Indie with DemonStar.
Sky Force Reloaded is a classic shoot ‘em up experience packed in gorgeous visuals and excellent gameplay. Enjoy flashy explosions, beautiful scenery and massive bosses in single player or local cooperative modes.
- 6

Dogyuun
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action with DemonStar.
A science fiction-themed vertically scrolling shoot 'em up game known for its stunning detailed pixel art, gigantic bosses, and a menacing difficulty. From the legendary studio Toaplan, this is quite possibly the most rock and roll shooting game of all time.
- 7

Thunder Wolves
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action and Indie with DemonStar.
When this “wolf pack” strikes, you hear the thunder roll. The Thunder Wolves attack from the air. They are mercenaries, and the best helicopter pilots in the world. Every one of them is ready for action at all times—and ready to fight evil, wherever it lurks.
- 8

Ring Runner: Flight of the Sages
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action and Indie with DemonStar.
Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.
- 9

Raptor: Call of The Shadows - 2015 Edition
Single-player alternative to DemonStar — playable solo, no multiplayer required. Shares Action with DemonStar.
The great action-crazed, guns blazing, shoot ‘em up game comes back straight out of the ‘90s. Raptor: Call of the Shadows and its futuristic world are ready to challenge your flying skills.